/* SPDX-License-Identifier: GPL-2.0 * * Copyright 2016-2020 HabanaLabs, Ltd. * All Rights Reserved. * */ #ifndef INCLUDE_MMU_GENERAL_H_ #define INCLUDE_MMU_GENERAL_H_ #define PAGE_SHIFT_4KB 12 #define PAGE_SHIFT_2MB 21 #define PAGE_SIZE_2MB (_AC(1, UL) << PAGE_SHIFT_2MB) #define PAGE_SIZE_4KB (_AC(1, UL) << PAGE_SHIFT_4KB) #define PAGE_PRESENT_MASK 0x0000000000001ull #define SWAP_OUT_MASK 0x0000000000004ull #define LAST_MASK 0x0000000000800ull #define HOP0_MASK 0x3000000000000ull #define HOP1_MASK 0x0FF8000000000ull #define HOP2_MASK 0x0007FC0000000ull #define HOP3_MASK 0x000003FE00000ull #define HOP4_MASK 0x00000001FF000ull #define FLAGS_MASK 0x0000000000FFFull #define HOP0_SHIFT 48 #define HOP1_SHIFT 39 #define HOP2_SHIFT 30 #define HOP3_SHIFT 21 #define HOP4_SHIFT 12 #define MMU_ARCH_5_HOPS 5 #define HOP_PHYS_ADDR_MASK (~FLAGS_MASK) #define HL_PTE_SIZE sizeof(u64) #define HOP_TABLE_SIZE PAGE_SIZE_4KB #define PTE_ENTRIES_IN_HOP (HOP_TABLE_SIZE / HL_PTE_SIZE) #define HOP0_TABLES_TOTAL_SIZE (HOP_TABLE_SIZE * MAX_ASID) #define MMU_HOP0_PA43_12_SHIFT 12 #define MMU_HOP0_PA49_44_SHIFT (12 + 32) #define MMU_CONFIG_TIMEOUT_USEC 2000 /* 2 ms */ #endif /* INCLUDE_MMU_GENERAL_H_ */